{"id":145515,"student_id":1931,"content":"// 挖洞機的 x, y 位置\nvar x = 0;\nvar y = 0;\n\n// 預設起始點被挖掘過\nmaze[0][0].color = 'lightblue';\n\nforever(function() {\n pen.fillColor = 'red';\n pen.drawRect(x*width + 1, y*width + 1, width - 2, width - 2);\n var next = getNeighbors(x, y)\n\n if (next.length \u003e 0) {\n var ran = Math.floor(Math.random()*next.length)\n var nextstop = next[ran]\n if (nextstop == 'left') {\n maze[x][y].left = true\n maze[x-1][y].right = true\n x = x - 1\n }\n if (nextstop == 'right') {\n maze[x][y].right = true\n maze[x+1][y].left = true\n x = x + 1\n }\n if (nextstop == 'top') {\n maze[x][y].top = true\n maze[x][y-1].bottom = true\n y = y - 1\n }\n if (nextstop == 'bottom') {\n maze[x][y].bottom = true\n maze[x][y+1].top = true\n y = y + 1\n }\n maze[x][y].color = 'lightblue'\n } else {\n maze[x][y].color = 'yellow'\n if (maze[x][y].top == true \u0026\u0026 maze[x][y-1].color == 'lightblue') {\n y -= 1\n }\n else if (maze[x][y].right == true \u0026\u0026 maze[x+1][y].color == 'lightblue') {\n x += 1\n }\n else if (maze[x][y].bottom == true \u0026\u0026 maze[x][y+1].color == 'lightblue') {\n y += 1\n }\n else if (maze[x][y].left == true \u0026\u0026 maze[x-1][y].color == 'lightblue') {\n x -= 1\n }\n\n }\n});\n\n// 取得四個方向中可以挖掘的方向\nfunction getNeighbors (x, y) {\n var arr = []\n if (x \u003c 31 \u0026\u0026 maze[x+1][y].color == 'white') {\n arr.push('right')\n }\n if (x \u003e 0 \u0026\u0026 maze[x-1][y].color == 'white') {\n arr.push('left')\n }\n if (y \u003c 23 \u0026\u0026 maze[x][y+1].color == 'white') {\n arr.push('bottom')\n }\n if (y \u003e 0 \u0026\u0026 maze[x][y-1].color == 'white') {\n arr.push('top')\n }\n return arr;\n}","created_at":"2020-05-02T16:14:52.406+08:00","updated_at":"2020-05-02T18:00:56.287+08:00","name":"迷宮產生器 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/145515/917e57a5a60c597af572e3a57ea70e3a.jpg"},"parent_id":31658,"plugin":"var maze = [];\nvar width = 20;\nvar row = 640/width;\nvar col = 480/width;\n\nfor (var x = 0; x \u003c row; x++) {\n maze[x] = [];\n for (var y = 0; y \u003c col; y++) {\n maze[x][y] = {\n color: 'white',\n top: false,\n right: false,\n bottom: false,\n left: false\n };\n }\n}\n\nforever(function() {\n for (var cx = 0; cx \u003c row; cx++) {\n for (var cy = 0; cy \u003c col; cy++) {\n \n var cell = maze[cx][cy];\n pen.size = 0.001;\n pen.fillColor = cell.color;\n pen.drawRect(cx*width, cy*width, width, width);\n \n pen.size = 1;\n var x = cx*width;\n var y = cy*width;\n if (!cell.top) pen.drawLine(x, y, x + width, y);\n if (!cell.right) pen.drawLine(x + width, y, x + width, y + width);\n if (!cell.bottom) pen.drawLine(x, y + width, x + width, y + width);\n if (!cell.left) pen.drawLine(x, y + width, x, y);\n }\n }\n});","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":36,"hashid":"d5msjpm6","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
[]
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